<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="../css/bootstrap.min.css">
    <link rel="stylesheet" href="style.css">
    <title>Bootstrap栅格案例</title>
</head>

<body>
    <div class="container">
        <div class="row">
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
            <div class="col-md-1">col-md-1</div>
        </div>
        <div class="row">
            <div class="col-md-3">col-md-3</div>
            <div class="col-md-3">col-md-3</div>
            <div class="col-md-3">col-md-3</div>
        </div>
        <div class="row">
            <div class="col-md-3">col-md-3col-md-3col-md-3col-md-3col-md-3col-md-3col-md-3col-md-3</div>
            <div class="col-md-3">col-md-3</div>
            <div class="col-md-3">col-md-3</div>
        </div>
        <div class="row">
            <div class="col-md-4 col-md-offset-1">col-md-4</div>
        </div>

        <div class="row">
            <div class="col-sm-9">
                One
                <div class="row">
                    <div class="col-xs-8">
                        first
                    </div>
                    <div class="col-xs-4">
                        second
                    </div>
                </div>
            </div>
        </div>

        <div class="row">
            <div class="col-md-9 col-md-push-3">
                col-md-9
            </div>
            <div class="col-md-3 col-md-pull-9">
                col-md-3
            </div>
        </div>
    </div>
</body>

</html>